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Alecsey [184]
3 years ago
13

An aqueous solution has a hydroxide-ion concentration of 1.0 x 10-3 M. What is the pH of the solution?

Chemistry
2 answers:
NeX [460]3 years ago
6 0

Answer:

the answer is C) 3

Explanation:

hope it helps

slava [35]3 years ago
4 0

Answer: 11

Explanation: i got a 100 on the test, good luck hope this helps :)

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Give Me a simple definition for Acids.
levacccp [35]

Answer:

an acid is a substance which produces hydrogen ions as the only as the only positive ion when dissolved in water.

8 0
1 year ago
If 50.75 g of a gas occupies 10.0 L at STP, 129.3 g of the gas will occupy __________ L at STP.
Vlad [161]

If 50.75 g of a gas occupies 10.0 L at STP, 129.3 g of the gas will occupy 25.48 L at STP.

<h3>How to calculate volume?</h3>

The volume of a gas at STP can be calculated using the direct proportion method.

According to this question, 50.75 g of a gas occupies 10.0 L at STP, then 129.3g of the same gas will occupy the following:

= 129.3 × 10/50.75

= 25.48L

Therefore, if 50.75 g of a gas occupies 10.0 L at STP, 129.3 g of the gas will occupy 25.48 L at STP.

Learn more about volume at: brainly.com/question/12357202

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6 0
1 year ago
Calculate the mass in grams of 1.13 x 102 molecules of propane. The chemical formula for propane is C3H8.
g100num [7]
Moles = (6.74*10^23)/(6.02*10^23) =1.119 moles

1.119*44.09=49.36g
3 0
2 years ago
What happens to molecules when a substance is cooled?​
marissa [1.9K]

Answer:

causes a substance to change from a liquid to a solid.

Explanation:

3 0
3 years ago
Read 2 more answers
When liquid water is heated to 100° c, it boils and becomes water vapor. when the vapor is cooled below 100° c, it turns back in
oee [108]
Hello!
I believe it is called Condensation

Condensation is when the water vapor (gas) in the air turns into a liquid. (Like the fog on a mirror after you take a hot shower)
3 0
2 years ago
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